DE10321533B4 - Air intake duct system for an internal combustion engine - Google Patents
Air intake duct system for an internal combustion engine Download PDFInfo
- Publication number
- DE10321533B4 DE10321533B4 DE10321533A DE10321533A DE10321533B4 DE 10321533 B4 DE10321533 B4 DE 10321533B4 DE 10321533 A DE10321533 A DE 10321533A DE 10321533 A DE10321533 A DE 10321533A DE 10321533 B4 DE10321533 B4 DE 10321533B4
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- Germany
- Prior art keywords
- air intake
- intake duct
- cooling
- duct system
- channel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
- F02M35/116—Intake manifolds for engines with cylinders in V-arrangement or arranged oppositely relative to the main shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
- F02B29/0462—Liquid cooled heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
- F02B29/0475—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly the intake air cooler being combined with another device, e.g. heater, valve, compressor, filter or EGR cooler, or being assembled on a special engine location
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/23—Layout, e.g. schematics
- F02M26/28—Layout, e.g. schematics with liquid-cooled heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
- F02M26/30—Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
- F02M26/32—Liquid-cooled heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
- F02M35/10144—Connections of intake ducts to each other or to another device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10268—Heating, cooling or thermal insulating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/41—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories characterised by the arrangement of the recirculation passage in relation to the engine, e.g. to cylinder heads, liners, spark plugs or manifolds; characterised by the arrangement of the recirculation passage in relation to specially adapted combustion chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
- F02M35/0202—Manufacturing or assembling; Materials for air cleaner housings
- F02M35/0203—Manufacturing or assembling; Materials for air cleaner housings by using clamps, catches, locks or the like, e.g. for disposable plug-in filter cartridges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10314—Materials for intake systems
- F02M35/10327—Metals; Alloys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1034—Manufacturing and assembling intake systems
- F02M35/10347—Moulding, casting or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
- F02M35/112—Intake manifolds for engines with cylinders all in one line
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/048—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of ribs integral with the element or local variations in thickness of the element, e.g. grooves, microchannels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- General Details Of Gearings (AREA)
- Exhaust Silencers (AREA)
Abstract
Luftansaugkanalsystem für eine Verbrennungskraftmaschine, welches ein Gehäuse aufweist, in dem ein Sammeleinlaßkanal, einzelne zu Zylindern der Verbrennungskraftmaschine führende Luftansaugkanäle und ein im Querschnitt zur Strömungsrichtung einseitig offen ausgebildeter Abgasrückführkanal ausgebildet sind, wobei im Abgasrückführkanal eine mit diesem korrespondierende Kühlvorrichtung angeordnet ist, dadurch gekennzeichnet, daß ein erstes Teil der Kühlvorrichtung im wesentlichen eine Wärmeübertragungseinheit (6) bildet, die im Abgasrückführkanal (4) angeordnet und durch die der Abgasrückführkanal (4) verschließbar ist, wobei die Wärmeübertragungseinheit (6) einen von Kühlflüssigkeit durchströmten ersten Kühlkanal (7) aufweist, der im Querschnitt zur Strömungsrichtung einseitig offen ausgebildet ist, und der durch ein zweites Teil (15) der Kühlvorrichtung (5) im wesentlichen verschließbar ist.The air intake channel for one Internal combustion engine having a housing in which a collecting intake passage, individual leading to cylinders of the internal combustion engine air intake ducts and a in cross-section to the flow direction are formed open on one side open exhaust gas recirculation passage, wherein in the exhaust gas recirculation channel a corresponding with this cooling device is arranged, characterized in that a first part of the cooling device essentially a heat transfer unit (6) forms in the exhaust gas recirculation channel (4) arranged and through which the exhaust gas recirculation passage (4) is closable, the heat transfer unit (6) one of cooling liquid perfused first cooling channel (7), which is open on one side in cross section to the flow direction is formed, and by a second part (15) of the cooling device (5) essentially lockable is.
Description
Die Erfindung betrifft ein Luftansaugkanalsystem für eine Verbrennungskraftmaschine, welches ein Gehäuse aufweist, in dem ein Sammeleinlaßkanal, einzelne zu Zylindern der Verbrennungskraftmaschine führende Luftansaugkanäle und ein im Querschnitt zur Strömungsrichtung einseitig offen ausgebildeter Abgasrückführkanal ausgebildet sind, wobei im Abgasrückführkanal eine mit diesem korrespondierende Kühlvorrichtung angeordnet ist.The The invention relates to an air intake duct system for an internal combustion engine, which a housing in which a common intake port, individual to cylinders leading the internal combustion engine air intake and a cross-section to the flow direction are formed open on one side open exhaust gas recirculation passage, wherein in the exhaust gas recirculation channel a corresponding with this cooling device is arranged.
Solche Luftansaugkanalsysteme mit integrierten Abgasrückführkanälen sind allgemein bekannt. Auch die Integration einer Kühlvorrichtung in das Luftansaugkanalsystem zur Kühlung des dem Verbrennungsmotor zugeführten Abgases zum Zweck der Reduzierung der NOx-Emissionen wird in verschiedenen Anmeldungen offenbart.Such air intake duct systems with integrated exhaust gas recirculation ducts are well known. The integration of a cooling device into the air intake duct system for cooling the exhaust gas supplied to the internal combustion engine for the purpose of reducing NO x emissions is also disclosed in various applications.
So
beschreibt die
Nachteilig an einer solchen Ausführung ist der sehr schlechte Wärmeübergang durch den Abstand des Kühlmittel führenden Kanals vom Abgas führenden Kanal. Auch die Kühlmittelkanalgeometrie ist nicht optimal gestaltet. Des weiteren besteht eine Umlenkung des Abgaskanals, wodurch mit einer deutlichen Erhöhung des Druck verlustes und der Verrußung der vorhandenen Lamellen der Kühlvorrichtung aufgrund entstehender Wirbel zu rechnen ist.adversely on such an execution is the very bad heat transfer by the distance of the coolant leading Channels leading from the exhaust Channel. The coolant channel geometry is also not optimally designed. Furthermore, there is a diversion of Exhaust gas ducts, which with a significant increase in pressure loss and the sooting the existing fins of the cooling device due to emerging vortex is expected.
In
der
In
der
Aufgabe der Erfindung ist es daher, die genannten Nachteile zu vermeiden und ein Luftansaugkanalsystem mit Kühlvorrichtung zu schaffen, welches einfach und kostengünstig herzustellen ist und eine Kühlvorrichtung mit optimierten Wärmeübergangsstrukturen aufweist, wobei die Montage der Kühlvorrichtung in einem Abgasrückführkanal vereinfacht werden soll. Des weiteren soll ein dichter Verschluß der gasführenden und kühlflüssigkeitsführenden Leitungen gewährleistet werden. Weiteres Ziel ist es, den Strömungswiderstand im Abgaskanal und im Kühlwasserkanal möglichst gering zu halten und eine möglichst lange Lebensdauer der gesamten Einheit sicher zu stellen.task The invention is therefore to avoid the disadvantages mentioned and to provide an air intake duct system with cooling device, which is easy and inexpensive and a cooling device with optimized heat transfer structures wherein the mounting of the cooling device in an exhaust gas recirculation channel should be simplified. Furthermore, a tight closure of the gas-carrying and coolant Guaranteed lines become. Another goal is the flow resistance in the exhaust duct and in the cooling water channel preferably to keep low and one as possible ensure long life of the entire unit.
Diese Aufgabe wird dadurch gelöst, daß ein erstes Teil der Kühlvorrichtung im wesentlichen die Wärmeübertragungseinheit bildet, die im Abgasrückführkanal angeordnet und durch die der Abgasrückführkanal verschließbar ist, wobei die Wärmeübertragungseinheit einen von Kühlflüssigkeit durchströmten Kühlkanal aufweist, der im Querschnitt zur Strömungsrichtung einseitig offen ausgebildet ist und der durch ein zweites Teil der Kühlvorrichtung im wesentlichen verschließbar ist.This object is achieved in that a first part of the cooling device substantially the Heat transfer unit forms, which is arranged in the exhaust gas recirculation passage and through which the exhaust gas recirculation channel is closed, wherein the heat transfer unit has a flowed through by cooling liquid cooling channel which is open on one side open in cross-section to the flow direction and which is substantially closed by a second part of the cooling device.
Hierdurch wird es möglich sowohl einfache Herstellverfahren zur Herstellung der einzelnen Teile zu verwenden als auch eine gut zugängliche und preiswerte Montage der Kühlvorrichtung sicher zu stellen. Des weiteren wird durch die Lage des Kühlkanals im Abgasrückführkanal ein guter Wärmeübergang sicher gestellt.hereby it becomes possible both simple production processes for the production of the individual Parts to use as well as an easily accessible and inexpensive installation the cooling device to make sure. Furthermore, by the location of the cooling channel in the exhaust gas recirculation channel a good heat transfer ensured.
Für eine weitere Optimierung des Wärmeübergangs wird der Kühlkanal im wesentlichen zentral im Abgasrückführkanal angeordnet.For another Optimization of the heat transfer becomes the cooling channel arranged substantially centrally in the exhaust gas recirculation channel.
In einer bevorzugten Ausführungsform weist die Wärmeübertragungseinheit eine Flanschplatte auf, über die der Verschluß des Abgasrückführkanals erfolgt, und das zweite Teil der Kühlvorrichtung weist eine zweite Flanschplatte und an den in Strömungsrichtung gegenüberliegend angeordneten Enden einen anpassbaren Kühlflüssigkeitseinlaßstutzen und einen anpassbaren Kühlflüssigkeitsauslaßstutzen auf, wobei zumindest im Bereich zwischen den Stutzen der Verschluß des Kühlkanals über die zweite Flanschplatte erfolgt. Durch diese Ausführungsform wird eine einfache Herstellung und eine einfache Montage der Einzelteile im Luftansaugkanalsystem kostengünstig sicher gestellt.In a preferred embodiment has the heat transfer unit a flange plate, over the closure of the Exhaust gas recirculation channel takes place, and the second part of the cooling device has a second flange plate and to the flow direction opposite arranged ends a customizable Kühlflüssigkeitseinlaßstutzen and an adjustable coolant outlet port, wherein at least in the region between the nozzle, the closure of the cooling channel on the second flange plate takes place. This embodiment becomes a simple one Production and easy installation of items in the air intake duct system cost-effective safe posed.
Vorteilhafterweise verschließt die Flanschplatte des zweiten Teils den Kühlkanal umlaufend, wodurch ein dichter Verschluß mit langer Lebensdauer herstellbar ist.advantageously, closes the flange plate of the second part circulating the cooling channel, whereby a tight seal with long life can be produced.
In einer weiterführenden alternativen Ausführungsform ist zwischen Frischluft führenden Kanälen des Luftansaugkanalsystems und dem Abgasrückführkanal des Luftansaugkanalsystems ein zweiter Kühlkanal angeordnet, der die Frischluft führenden Kanäle von dem Abgasrückführkanal thermisch trennt. Hierdurch wird eine Wärmeübertragung zwischen der Frischluft des Ansaugsystems und dem heißen Abgas verhindert.In a continuing alternative embodiment is leading between fresh air channels the air intake duct system and the exhaust gas recirculation passage of the air intake duct system a second cooling channel arranged, leading the fresh air channels from the exhaust gas recirculation passage thermally separated. As a result, a heat transfer between the fresh air the intake system and the hot one Exhaust gas prevented.
Vorteilhafterweise ist der zweite Kühlkanal von der Kühlflüssigkeit zwangsdurchströmt, wobei die Flanschplatte des zweiten Teils der Kühlvorrichtung im Bereich des Einlaß- und des Auslaßstutzens jeweils eine Ausbuchtung aufweist, so daß lediglich in diesen Bereichen eine fluidische Verbindung zwischen dem ersten und zweiten Kühlmittelkanal besteht. Auf diese Weise wird die Wärmeabfuhr über den zweiten Kühlkanal sicher gestellt und es wird durch entsprechende Anordnung der Stutzen und der Ausbuchtung möglich, eine definierte Menge Kühlflüssigkeit durch den zweiten Kanal strömen zu lassen, ohne auf eine kostengünstige einfache Bauweise verzichten zu müssen.advantageously, is the second cooling channel of the cooling liquid forced flow through, wherein the flange plate of the second part of the cooling device in the region of Inlet- and the outlet port respectively has a bulge, so that only in these areas a fluidic connection between the first and second coolant channels consists. In this way, the heat dissipation via the second cooling channel ensured and it is by appropriate arrangement of the nozzle and the bulge possible, a defined amount of coolant flow through the second channel to leave without on a cost-effective Having to give up simple construction.
In einer bevorzugten Ausführungsform verschließt die Flanschplatte des zweiten Teils der Kühlvorrichtung die beiden Kühlkanäle umlaufend, so daß keine zusätzlichen Bauteile benötigt werden.In a preferred embodiment closes the flange plate of the second part of the cooling device revolves around the two cooling channels, so no additional Components needed become.
Zur Sicherung eines festen und dichten Sitz mit langer Lebensdauer sind die Verschlüsse der durchströmten Kanäle durch stoffschlüssige Verbindungen hergestellt, so daß keine zusätzlichen Dichtungen erforderlich sind.to Securing a tight and tight fit with long life the closures which flowed through channels by cohesive Made connections, so that no additional Seals are required.
In einer bevorzugten Ausführungsform werden diese stoffschlüssigen Verbindungen durch Schweißverbindungen insbesondere Reibrührschweißen hergestellt, wodurch ein dauerhafter dichter Verschluß gewährleistet wird.In a preferred embodiment become these cohesive Connections through welded joints in particular friction stir welding, whereby a permanent tight closure is ensured.
In einer optimierten Ausführungsform der Wärmeübertragungseinheit bildet eine in Strömungsrichtung geradlinig verlaufende und im Querschnitt im wesentlichen rechteckig ausgebildete Nut den Kühlkanal. Durch eine solche Form des Kühlkanals wird eine sehr große Oberfläche zur Wärmeübertragung zur Verfügung gestellt, so daß das Verhältnis Fläche zu Volumen sehr günstig ist und mit einer relativ geringen Kühlmittelmenge die erforderliche Abkühlung des Abgases erreichbar ist. Des weiteren kann hierdurch die Kühlvorrichtung relativ kurz ausgeführt werden. Es treten bei einer solchen Ausführungsform geringe Strömungswiderstände auf, so daß auch die Pumpleistung der Kühlmittelpumpe entsprechend beschränkt werden kann.In an optimized embodiment the heat transfer unit forms one in the flow direction rectilinear and in cross-section substantially rectangular trained groove the cooling channel. By such a shape of the cooling channel is a very big one surface for heat transfer to disposal so that the Ratio area to volume attractively priced is and with a relatively small amount of coolant the required Cooling the exhaust gas can be reached. Furthermore, thereby the cooling device executed relatively short become. It occur in such an embodiment, low flow resistance, so that too the pumping power of the coolant pump limited accordingly can be.
Vorteilhafterweise weist die Wärmeübertragungseinheit zur Abgasseite hingerichtete Kühlrippen auf, um zusätzlich den Wärmeübergang zu optimieren.advantageously, has the heat transfer unit to the exhaust side executed cooling fins on, in addition to the heat transfer to optimize.
In einer optimierten Ausführung sind die Kühlrippen in Strömungsrichtung strukturiert ausgebildet, wobei die durchströmte Querschnittsfläche im wesentlichen in Strömungsrichtung gleich bleibt, wodurch einer möglichen Verrußung der Kühlrippen durch an den Strukturen entstehende Wirbel entgegen gewirkt wird, ohne zusätzliche Strömungswiderstände aufzubauen.In an optimized version are the cooling fins in the flow direction structured formed, wherein the flow-through cross-sectional area substantially in the flow direction remains the same, whereby a possible sooting the cooling fins through counteracts vortex arising on the structures, without additional Build up flow resistances.
Zur weiteren Optimierung des Wärmeübergangs innerhalb des Kühlkanals kann dieser zumindest einen in Strömungsrichtung des Kühlkanals verlaufenden Steg aufweisen.to further optimization of the heat transfer within the cooling channel this can be at least one in the flow direction of the cooling channel have running web.
Des weiteren kann die Flanschplatte des zweiten Teils der Kühlvorrichtung zwischen dem Einlaßstutzen und dem Auslaßstutzen einen zum Kühlkanal weisenden und in Strömungsrichtung verlaufenden Steg aufweisen, wodurch wiederum der Wärmeübergang innerhalb des Kühlkanals verbessert würde.Furthermore, the flange plate of the second part of the cooling device between the one laßstutzen and the outlet have a pointing to the cooling channel and extending in the direction of flow web, which in turn would improve the heat transfer within the cooling channel.
In einer zum letztgenannten Punkt alternativen Ausführungsform weist das Flanschteil des zweiten Teils der Kühlvorrichtung in Strömungsrichtung kurz vor den Kühlflüssigkeitsauslaßstutzen einen Steg auf, so daß die Durchströmgeschwindigkeit der Kühlflüssigkeit an dieser Stelle deutlich angehoben wird und auf diese Weise eventuell gebildete Luftblasen im Kühlkanal durch diese Querschnittsverengung aus dem Kühlkanal herausströmen.In an alternative embodiment to the latter point comprises the flange part of the second part of the cooling device short in the flow direction in front of the coolant outlet a footbridge so that the flow velocity the cooling liquid at this point is raised significantly and in this way possibly formed air bubbles in the cooling channel flow out of the cooling channel through this cross-sectional constriction.
Vorteilhafterweise sind das Gehäuse des Luftansaugkanalsystems und die Kühlvorrichtung im Gußverfahren hergestellt, wobei zumindest ein Teil des Gehäuses des Luftansaugkanalsystems einteilig mit dem Abgasrückführkanal und gegebenenfalls den zweiten Kühlkanal gegossen ist. Eine solche Herstellung bietet sich aufgrund der vorhandenen Ausführungsformen insoweit an, als das hierdurch eine preisgünstige und qualitativ hochwertige Einheit mit wenigen Bauteilen geschaffen werden kann.advantageously, are the case the air intake duct system and the cooling device in the casting process manufactured, wherein at least a part of the housing of the air intake duct system in one piece with the exhaust gas recirculation channel and optionally the second cooling channel is poured. Such a production is due to the existing embodiments in so far as, as a result, a low-cost and high-quality Unit can be created with few components.
In einer weiterführenden Ausführung handelt es sich um ein Druckgußverfahren insbesondere Aluminiumdruckguß. Dies entspricht den heutigen Anforderungen, Luftansaugkanalsysteme in Leichtbauweise herzustellen.In a continuing execution it is a die casting process in particular die-cast aluminum. This meets today's requirements, air intake duct systems to manufacture in lightweight construction.
Zur Verminderung der Bauteileanzahl kann das Luftansaugkanalsystem zusätzlich eine integrierte Drosselklappeneinheit und ein integriertes Abgasrückführventil aufweisen, so daß eine gesamte Funktionseinheit in Modulbauweise angeboten und aufeinander abgestimmt werden kann.to Reduction of the number of components, the air intake duct system in addition integrated throttle body and integrated exhaust gas recirculation valve have, so that a entire functional unit in modular design offered and each other can be coordinated.
Durch all diese Ausführungsformen werden Luftansaugkanalsysteme zur Verfügung gestellt, die kostengünstig herstellbar und montierbar sind, einen optimalen Wärmeübergang sicher stellen und praktisch wartungsfrei über eine lange Lebensdauer genutzt werden können. Durch optimierte Geometrien sinken die Verrußungsgefahr und der Strömungswiderstand. Zusätzlich werden Wechselwirkungen zwischen den luftführenden und den abgasführenden Leitungen verhindert. Alle Bauteile sind durch einfach enfformbare Gußteile herzustellen.By all these embodiments Luftansaugkanalsysteme be provided that can be produced inexpensively and mount, ensure optimal heat transfer and virtually maintenance free a long life can be used. Decrease due to optimized geometries the sooting danger and the flow resistance. additionally Interactions between the air-carrying and the exhaust-carrying lines prevented. All components are made by simply enfformbare castings.
Ein Ausführungsbeispiel ist in den Figuren dargestellt und wird nachfolgend beschrieben.One embodiment is shown in the figures and will be described below.
Das
in den Figuren dargestellte erfindungsgemäße Luftansaugkanalsystem
Wie
insbesondere aus
Die
Nut
Ebenfalls
aus
Der
Kreislauf der Frischluft bzw. des Abgases erfolgt nun in nachfolgend
beschriebener Weise. Über
einen nicht dargestellten Drosselklappenstutzen, der auch im Luftansaugkanalsystem
Durch eine solche Ausführung kann mit Hilfe rückgeführten Abgases der Ausstoß an Schadstoffen, insbesondere an NOx aus dem Motor deutlich reduziert werden.Such an embodiment can be significantly reduced by means of recirculated exhaust gas emissions of pollutants, in particular NO x from the engine.
Die beschriebene Ausführungsform des Lufteinlaßkanalsystems ist kostengünstig herzustellen und weist einen sehr guten Wirkungsgrad bezüglich der Kühlung des Abgases auf. Aus den Zeichnungen wird deutlich, daß eine sehr gute Entformbarkeit jedes einzelnen Bauteils gegeben ist, so daß die Bauteile in einem kostengünstigen Druckgußverfahren hergestellt werden können. Durch den hohen Wirkungsgrad der Kühlvorrichtung kann diese relativ kurz ausgeführt werden, so daß Bauraum eingespart werden kann.The described embodiment the air intake duct system is inexpensive produce and has a very good efficiency in terms of cooling of the exhaust gas. From the drawings it becomes clear that a very good demoldability of each component is given, so that the components in a low cost Die-casting produced can be. Due to the high efficiency of the cooling device, this can be relatively short accomplished be, so that space can be saved.
Änderungen bezüglich der Anordnung des Abgasrückführkanals im Luftansaugkanalsystem sind dabei ebenso denkbar, wie eine Übertragung der beschriebenen Kühlvorrichtung auf ein Luftansaugkanalsystem für einen Motor anderer Bauart und werden durch den Schutzumfang der Ansprüche erfaßt.amendments in terms of the arrangement of the exhaust gas recirculation channel In the air intake duct system are also conceivable, as a transmission the described cooling device on an air intake duct system for a motor of a different design and are covered by the scope of the claims detected.
Claims (18)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10321533A DE10321533B4 (en) | 2003-05-14 | 2003-05-14 | Air intake duct system for an internal combustion engine |
EP04003449A EP1479902B1 (en) | 2003-05-14 | 2004-02-17 | Air intake system for internal combustion engine |
DE502004000044T DE502004000044D1 (en) | 2003-05-14 | 2004-02-17 | Air intake duct system for an internal combustion engine |
ES04003449T ES2247569T3 (en) | 2003-05-14 | 2004-02-17 | AIR ADMISSION CHANNEL SYSTEM FOR AN INTERNAL COMBUSTION THERMAL MACHINE. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10321533A DE10321533B4 (en) | 2003-05-14 | 2003-05-14 | Air intake duct system for an internal combustion engine |
Publications (2)
Publication Number | Publication Date |
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DE10321533A1 DE10321533A1 (en) | 2004-12-09 |
DE10321533B4 true DE10321533B4 (en) | 2005-04-14 |
Family
ID=33039174
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10321533A Withdrawn - After Issue DE10321533B4 (en) | 2003-05-14 | 2003-05-14 | Air intake duct system for an internal combustion engine |
DE502004000044T Expired - Lifetime DE502004000044D1 (en) | 2003-05-14 | 2004-02-17 | Air intake duct system for an internal combustion engine |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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DE502004000044T Expired - Lifetime DE502004000044D1 (en) | 2003-05-14 | 2004-02-17 | Air intake duct system for an internal combustion engine |
Country Status (3)
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EP (1) | EP1479902B1 (en) |
DE (2) | DE10321533B4 (en) |
ES (1) | ES2247569T3 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10341393B3 (en) | 2003-09-05 | 2004-09-23 | Pierburg Gmbh | Air induction port system for internal combustion engines has exhaust gas return passage made in one piece with casing, and exhaust gas return valve and throttle valve are constructed as cartridge valve for insertion in holes in casing |
DE102005036045B4 (en) * | 2005-08-01 | 2008-09-18 | Pierburg Gmbh | Cooling device for internal combustion engines |
DE102006029043B4 (en) | 2006-06-24 | 2015-04-23 | Pierburg Gmbh | Heat transfer unit for an internal combustion engine |
ES2385013T3 (en) * | 2007-10-31 | 2012-07-17 | Behr Gmbh & Co. Kg | Load fluid intake module, charge fluid intake system, charge fluid intake path, exhaust gas recirculation system, internal combustion engine |
JP6677202B2 (en) * | 2017-03-28 | 2020-04-08 | トヨタ自動車株式会社 | Intake manifold |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3937196A (en) * | 1975-02-05 | 1976-02-10 | Ford Motor Company | Intake manifold for an internal combustion engine having an internally contained exhaust gas recirculation cooler |
EP1059435A2 (en) * | 1999-06-11 | 2000-12-13 | Pierburg Aktiengesellschaft | Arrangement of intake air conduits for a combustion engine |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6116026A (en) * | 1998-12-18 | 2000-09-12 | Detroit Diesel Corporation | Engine air intake manifold having built-in intercooler |
FR2792968B1 (en) * | 1999-04-29 | 2001-06-29 | Westaflex Automobile | PLASTIC AND STEEL HEAT EXCHANGER FOR ARRANGEMENT IN AN AIR INTAKE CIRCUIT OF AN ENGINE, PARTICULARLY IN A DISTRIBUTOR COMPRISING TWO CHAMBERS AND ELEMENT OF THE AIR INTAKE CIRCUIT OF AN ENGINE |
JP3668445B2 (en) * | 2001-09-03 | 2005-07-06 | 本田技研工業株式会社 | Multi-cylinder engine intake system |
-
2003
- 2003-05-14 DE DE10321533A patent/DE10321533B4/en not_active Withdrawn - After Issue
-
2004
- 2004-02-17 DE DE502004000044T patent/DE502004000044D1/en not_active Expired - Lifetime
- 2004-02-17 ES ES04003449T patent/ES2247569T3/en not_active Expired - Lifetime
- 2004-02-17 EP EP04003449A patent/EP1479902B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3937196A (en) * | 1975-02-05 | 1976-02-10 | Ford Motor Company | Intake manifold for an internal combustion engine having an internally contained exhaust gas recirculation cooler |
EP1059435A2 (en) * | 1999-06-11 | 2000-12-13 | Pierburg Aktiengesellschaft | Arrangement of intake air conduits for a combustion engine |
Non-Patent Citations (2)
Title |
---|
JP 10281015 A Patent Abstracts of Japan * |
JP 10281015 AA Patent Abstracts of Japan |
Also Published As
Publication number | Publication date |
---|---|
DE502004000044D1 (en) | 2005-09-22 |
EP1479902B1 (en) | 2005-08-17 |
DE10321533A1 (en) | 2004-12-09 |
EP1479902A1 (en) | 2004-11-24 |
ES2247569T3 (en) | 2006-03-01 |
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